Home / 210,022.46-314,677.29-126,741.50

Finding the Fourth Proportional to 210,022.46, 314,677.29 and 126,741.50

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Solution

The fourth proportional to 210,022.46, 314,677.29 and 126,741.50 is: 189,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,022.46 : 314,677.29 = 126,741.50 : x
  2. Step 2: Convert to fraction form
    210,022.46/314,677.29 = 126,741.50/x
  3. Step 3: Cross multiply
    210,022.46x = 314,677.29 × 126,741.50
  4. Step 4: Simplify right side
    210,022.46x = 39,882,671,750.54
  5. Step 5: Solve for x
    x = 39,882,671,750.54/210,022.46
  6. Step 6: Final answer
    x = 189,897.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.